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Author SHA1 Message Date
Nick Lewycky
edbe62c10d Add a doxygen comment for this class. 
llvm-svn: 124480
 2011-01-28 08:19:00 +00:00
Nick Lewycky
28f2b64333 Reorder for readability. (Chris, is this what you meant?) 
llvm-svn: 124479
 2011-01-28 07:36:21 +00:00
Evan Cheng
5b6c72e549 Revert r124462. There are a few big regressions that I need to fix first. 
llvm-svn: 124478
 2011-01-28 07:12:38 +00:00
Nick Lewycky
744bd3872f Reduce the number of functions we look at in the first pass, and preallocate 
the function equality set.

llvm-svn: 124475
 2011-01-28 05:48:15 +00:00
Nick Lewycky
9bbbb3e6f5 Clean up the tests a little, make sure we match an instruction in the right 
test.

llvm-svn: 124473
 2011-01-28 05:13:17 +00:00
Nick Lewycky
fdee464a16 Fix build with stdcxx by using llvm::next. Patch by Joerg Sonnenberger! 
llvm-svn: 124472
 2011-01-28 04:00:15 +00:00
Rafael Espindola
d93551f227 Add a triple. 
llvm-svn: 124471
 2011-01-28 03:57:55 +00:00
Nick Lewycky
1f3febae6f Add missing include for ptrdiff_t. Patch by Joerg Sonnenberger! 
llvm-svn: 124470
 2011-01-28 03:52:25 +00:00
Nick Lewycky
74dfcccec4 Fold select + select where both selects are on the same condition. 
llvm-svn: 124469
 2011-01-28 03:28:10 +00:00
Rafael Espindola
9bc19ee478 Print the visibility of declarations. 
llvm-svn: 124468
 2011-01-28 03:20:10 +00:00
Nico Weber
66fd0e8119 PR8951: Support for .equiv in integrated assembler, patch by Jörg Sonnenberger! 
llvm-svn: 124467
 2011-01-28 03:04:41 +00:00
Evan Cheng
7031f450b3 - Stop simplifycfg from duplicating "ret" instructions into unconditional 
branches. PR8575, rdar://5134905, rdar://8911460.
- Allow codegen tail duplication to dup small return blocks after register
  allocation is done.

llvm-svn: 124462
 2011-01-28 02:19:21 +00:00
Evan Cheng
2042be8132 Fix PLD encoding. 
llvm-svn: 124458
 2011-01-27 23:48:34 +00:00
Kevin Enderby
ce1439297b Changed llvm-mc arm target to give an error if .syntax divided is used. Since 
only .syntax unified is supported.

llvm-svn: 124454
 2011-01-27 23:22:36 +00:00
Bob Wilson
0b0692bd8d Fix a comment typo. 
llvm-svn: 124450
 2011-01-27 23:08:52 +00:00
Oscar Fuentes
f249fb75f1 Use the paths to libffi's header and library even when no custom 
location was stated with FFI_INCLUDE_DIR/FFI_LIBRARY_DIR.

llvm-svn: 124449
 2011-01-27 22:58:34 +00:00
David Greene
1f8b96494e [AVX] Clean up the code to configure target lowering for AVX. Specify 
how to lower more/new operations.  This is a prerequisite for adding
additional AVX lowering.

llvm-svn: 124447
 2011-01-27 22:38:56 +00:00
Andrew Trick
3f570c28b7 Remove a temporary workaround for a lencod miscompile. Depends on the fix in r124442. 
llvm-svn: 124443
 2011-01-27 21:28:51 +00:00
Andrew Trick
6a24682579 VirtRegRewriter fix: update kill flags, which are used by the scavenger. 
rdar://problem/8893967: JM/lencod miscompile at -arch armv7 -mthumb -O3

Added ResurrectKill to remove kill flags after we decide to reused a
physical register. And (hopefully) ensure that we call it in all the
right places.

Sorry, I'm not checking in a unit test given that it's a miscompile I
can't reproduce easily with a toy example. Failures in the rewriter
depend on a series of heuristic decisions maked during one of the many
upstream phases in codegen. This case would require coercing regalloc
to generate a couple of rematerialzations in a way that causes the
scavenger to reuse the same register at just the wrong point.

The general way to test this is to implement kill flags
verification. Then we could have a simple, robust compile-only unit
test. That would be worth doing if the whole pass was not about to
disappear. At this point we focus verification work on the next
generation of regalloc.

llvm-svn: 124442
 2011-01-27 21:26:43 +00:00
Douglas Gregor
8d44712818 Clang: separate the access-control diagnostics from other diagnostics that do not have SFINAE behavior. 
llvm-svn: 124440
 2011-01-27 21:06:17 +00:00
Benjamin Kramer
114c20e190 Unbreak the build. 
llvm-svn: 124426
 2011-01-27 20:30:54 +00:00
Nick Lewycky
675f10c258 Expound upon this comparison! 
llvm-svn: 124406
 2011-01-27 19:51:31 +00:00
Nick Lewycky
af3989a145 Use dyn_cast instead of isa+cast. 
llvm-svn: 124404
 2011-01-27 19:42:43 +00:00
Oscar Fuentes
d91fccb5c3 Don't show -pedantic, -W and -Wall on the output of 
llvm-config --cflags --cxxflags --cppflags

We shouldn't impose those flags on people who use llvm-config for
building their own projects.

llvm-svn: 124399
 2011-01-27 19:29:48 +00:00
Devang Patel
14eb3db47f Speculatively revert r124380. 
llvm-svn: 124397
 2011-01-27 19:15:01 +00:00
Devang Patel
6c3de04fdd While legalizing SDValues do not drop SDDbgValues, trasfer them to new legal nodes. 
Take 2. This includes fix for dragonegg crash.

llvm-svn: 124380
 2011-01-27 17:43:53 +00:00
Roman Divacky
f817c82cf3 Add support for specifying register name in cfi-register/offset/def 
as well as register number.

llvm-svn: 124379
 2011-01-27 17:16:37 +00:00
Roman Divacky
991a87e2e3 Introduce virtual ParseRegister method in TargetAsmParser. 
Create override of this method in X86/ARM/MBlaze.

llvm-svn: 124378
 2011-01-27 17:14:22 +00:00
Jay Foad
284c5bc9bd Fix indentation. 
llvm-svn: 124375
 2011-01-27 14:44:55 +00:00
Nick Lewycky
8258d2da8c Add DenseSet::resize for API parity with DenseMap::resize. 
llvm-svn: 124370
 2011-01-27 09:10:42 +00:00
Nick Lewycky
864a35740a Fix surprising missed optimization in mergefunc where we forgot to consider 
that relationships like "i8* null" is equivalent to "i32* null".

llvm-svn: 124368
 2011-01-27 08:38:19 +00:00
Chris Lattner
7bdd5c3eb7 Don't infinitely recurse! Patch by Marius Wachtler! 
llvm-svn: 124366
 2011-01-27 07:35:27 +00:00
Bob Wilson
08e0cec53e Avoid modifying the OneClassForEachPhysReg map while iterating over it. 
Linear scan regalloc is currently assuming that any register aliased with
a member of a regclass must also be in at least one regclass.  That is not
always true.  For example, for X86, RIP is in a regclass but IP is not.
If you're unlucky, this can cause a crash by invalidating the iterator.

llvm-svn: 124365
 2011-01-27 07:26:15 +00:00
Eric Christopher
3906b33289 Add a testcase for my last checkin. 
llvm-svn: 124358
 2011-01-27 06:01:17 +00:00
Eric Christopher
9c446b2711 Use the incoming VT not the VT of where we're trying to store to determine 
if we can store a value. Also, the exclusion is or, not and.

Fixes rdar://8920247.

llvm-svn: 124357
 2011-01-27 05:44:56 +00:00
NAKAMURA Takumi
d418ff3b1a lib/Target/X86/X86ISelDAGToDAG.cpp: __main should be WINCALL64 on Win64. 
CALL64 marks %xmm* as dead.

llvm-svn: 124354
 2011-01-27 03:20:19 +00:00
Matt Beaumont-Gay
7001cac6c5 Try harder to not have unused variables. 
llvm-svn: 124350
 2011-01-27 02:39:27 +00:00
Matt Beaumont-Gay
d984615f35 Opt-mode -Wunused-variable cleanup 
llvm-svn: 124346
 2011-01-27 01:47:50 +00:00
Devang Patel
b81f6dbc21 Reapply 124301 
llvm-svn: 124339
 2011-01-27 00:13:27 +00:00
Bill Wendling
51d9acc25b Initialize variable to get rid of clang warning. 
llvm-svn: 124331
 2011-01-26 22:21:35 +00:00
Jay Foad
db0a7d4143 Simplify User::operator delete(). 
llvm-svn: 124330
 2011-01-26 21:56:10 +00:00
Bob Wilson
e93c1add9e Add a MnemonicIsValid method to the asm matcher. 
Patch by Bill Wendling.

llvm-svn: 124328
 2011-01-26 21:43:46 +00:00
Devang Patel
bd203876fa Revert 124301. 
llvm-svn: 124327
 2011-01-26 21:41:22 +00:00
Bob Wilson
6675dea05d Fix spelling of CouldMatchAmbiguouslyWith method name. 
llvm-svn: 124324
 2011-01-26 21:26:21 +00:00
Bob Wilson
397316f33a Whitespace and 80-column fixes. 
llvm-svn: 124323
 2011-01-26 21:26:19 +00:00
Devang Patel
ac5d878d16 Revert r124302 
llvm-svn: 124320
 2011-01-26 21:12:32 +00:00
Bill Wendling
5913724ac2 Add support for printing out floating point values from the ARM assembly 
parser. The parser will always give us a binary representation of the floating
point number.

llvm-svn: 124318
 2011-01-26 20:57:43 +00:00
Bob Wilson
6850ea9790 Improve the AsmMatcher's ability to handle suboperands. 
When an operand class is defined with MIOperandInfo set to a list of
suboperands, the AsmMatcher has so far required that operand to also define
a custom ParserMatchClass, and InstAlias patterns have not been able to
set the individual suboperands separately.  This patch removes both of those
restrictions.  If a "compound" operand does not override the default
ParserMatchClass, then the AsmMatcher will now parse its suboperands
separately.  If an InstAlias operand has the same class as the corresponding
compound operand, then it will be handled as before; but if that check fails,
TableGen will now try to match up a sequence of InstAlias operands with the
corresponding suboperands.

llvm-svn: 124314
 2011-01-26 19:44:55 +00:00
Eric Christopher
54f709d970 Temporarily revert 124275 to see if it brings the dragonegg buildbot back. 
llvm-svn: 124312
 2011-01-26 19:40:31 +00:00
Devang Patel
fab4616981 - Do not try to print nameless variable's info. 
- Print a summary of breakpoints in the beginning.

llvm-svn: 124308
 2011-01-26 19:14:14 +00:00